<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>demo 2-12</title>
	</head>
	<body>
	</body>
	<script>
		let name = "Mike";
		let age = 20;
		let info=`My Name is ${name},I am ${age+1} years old next year.`
		console.log(info);
	</script>
</html>